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Subject: Repairing historic structural timber columns

Repairing historic structural timber columns

From: Kang Shua Yeo <kangshua>
Date: Monday, December 10, 2007
I wonder any DistList members have any experience with the repairs
of historic structural timber members (columns) that have suffered
from termite activities using FRP (fiber reinforced plastics) and
the injection of wood epoxy [to fill] lacunae?

Traditionally, one for one replacement is used by timber craftsmen
especially when one is dealing with structural members. However,
with FRP, which is widely used in the construction industry on
concrete and steel structures, localized repair is possible whilst
respecting local building codes.

Gennaro Tampone and Beatrice Messeri's article "Compliance of the
practice of strengthening ancient timber structure in seismic areas
with the official documents on conservation", 15th International
Symposium of ICOMOS International Wood Committee, Istanbul 2006,
discussed FRP repairs with the question of authenticity in
international charters. I would be most appreciated if members can
comment on such method and its long term sustainability .

Yeo Kang Shua, PhD
Architectural Consultant
Preservation of Monuments Board

                  Conservation DistList Instance 21:35
                Distributed: Tuesday, December 18, 2007
                       Message Id: cdl-21-35-020
Received on Monday, 10 December, 2007

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